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    • 5. 发明公开
    • Electronic turns-counting fuze and method therefor
    • ElektronischerZündermit Drehzahlmessung und Verfahrendafür
    • EP0772023A2
    • 1997-05-07
    • EP96116889.5
    • 1996-10-21
    • MOTOROLA, INC.
    • Farace, Louis PascalKaslow, John FloydBai, Monty Wooson
    • F42C15/22
    • F42C9/16F42C15/22
    • A fuze (12) detonates a spin-stabilized projectile (10) after the fuze (12) experiences a preset number of turns. The preset number is communicated (64) to the fuze (12) prior to launch. A semiconductor piezoelectric strain gage (26) senses stress and provides a signal which is responsive to centrifugal forces experienced by the sensor (26) as a result of projectile spin. A microcontroller (30) repetitively digitizes and translates the sensor signal to determine turn numbers, which the microcontroller (30) integrates to determine the total number of turns experienced by the fuze (12) since launch. When the accumulated turn number reaches (94) the preset number, the fuze (12) detonates the projectile (10). However, an arming duration (76) must have expired before the projectile (10) can detonate, and the projectile (10) can detonate at any time following the expiration of the arming duration when an impact is detected.
    • 引信(12)在引信(12)经历预设的转弯后引爆自旋稳定的射弹(10)。 在启动之前将预设号码传送给引信(12)(64)。 半导体压电应变计(26)感测应力并提供响应于由于弹丸旋转而由传感器(26)所经受的离心力的信号。 微控制器(30)重复地数字化和转换传感器信号以确定转向数,微控制器(30)集成以确定自启动以来引信(12)经历的总匝数。 当累计转弯数达到(94)预设值时,引信(12)引爆射弹(10)。 然而,在弹丸(10)可以引爆之前,布防持续时间(76)必须已经过期,并且在检测到冲击时,在弹药持续时间到期之后的任何时间,射弹(10)可以引爆。
    • 9. 发明公开
    • Submunition fuse with a nondelay self-destruct firing device
    • 雷管为女孩地下室,其包括自毁装置而不延迟。
    • EP0681157A3
    • 1996-07-24
    • EP95106857.6
    • 1995-05-05
    • SIMMEL DIFESA S.p.A.
    • Borgni, Roberto
    • F42C9/16
    • F42C9/16
    • A submunition fuse (1) presenting a tubular body (17); a support (23) housed in sliding manner in the tubular body (17); a firing element (35) housed in sliding manner in the support (23); a detonating element (7) mounted facing the firing element (35) in the armed position of the fuse; a strip (27) fitted to the top of the support (23), projecting from the tubular body, and which, during descent of the fuse, exerts aerodynamic force on the support in a direction away from the detonating element (7); a first thrust spring (31) acting on the support (23) to generate a first thrust, in the direction of the detonating element (7), not exceeding the aerodynamic force; a second thrust spring (40) acting on the firing element (35) to generate a second thrust in the direction of the detonating element (7); and lock balls (30) retained by the tubular body (17) in such a position as to interfere with and lock the firing element (35) in a withdrawn position. The first thrust spring (31) is disabled, during descent, by the aerodynamic force to maintain the fuse in the arming position, and is activated at the end of descent in the event of failure of the impact-initiating system, by virtue of no longer being counteracted by the aerodynamic force. The support (23) is therefore pushed into such a position as to release the balls (30) and hence the firing element (35) which is pushed by the second spring (40) against the detonating element (7).